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A cluster analysis of the quality of life in the United States over time
Hirschberg, Joseph G., (1997)
La funzione edonica come misura della qualità della vita
Gambarotto, Francesca, (1995)
What can economists learn from happiness research?
Frey, Bruno S., (2001)
The fuzzy approach to estimation of the index of population life quality
Imanov, Gorkhmaz, (2007)
Models of estimation national economy
Imanov, Gorkhmaz, (2014)
THE FUZZY APPROACH TO ESTIMATION OF THE INDEX OF POPULATION LIFE QUALITY